Above-Grade

Kaiser Sunnyside Medical Center
Clackamas County, Oregon, USA

BACKGROUND
The Kaiser Sunnyside Medical Centre is the largest full-ser vice hospital in Clack amas County with over 14,000 patient admissions a year. In building the first phase of a three-storey, 700 space above-grade parking garage, the project team applied a traffic membrane to waterproof the exposed
concrete decks to protect the reinforcing steel and post tensioning cables used in the suspended slabs.

However, the application process proved to be difficult and costly as areas of the traffic deck coating kept delaminating – challenges with the coating system had to be addressed several times before it was considered
satisfactor y. When faced with protecting the exposed decks on the second phase of the garage, the project team sought a faster, reliable and more cost-efficient solution that would not involve the potential for areas of
unexplained delamination.

SOLUTION
The project team turned to the Kr ystol® Concrete Waterproofing System, a worldwide leader in cr ystalline waterproofing technolog y. The protective traffic membrane system they had originally implemented on the exposed parking decks on the first half of the garage was costly, labour intensive and vulnerable to human error. But by utilizing Kryton to protect the exposed concrete decks on phase two of the garage, the team would not only
have the world’s leading cr ystalline waterproofing technolog y to protect the structure, but they would also s ave a substantial amount of time and
money (Kr ystol Internal Membrane™ or KIM® cost was less than $2.25 per square foot) over installing a traditional traffic membrane system. The Krystol® system is an integral, permanent part of the concrete and allows the owner to save the life c ycle costs that are included with the eventual reapplication of a traditional membrane system.

The Kr ystol® Concrete Waterproofing System at the Kaiser Medical Center included 1828.8 0 metres (2000 yds) of Kr ystol Internal Membrane™ HS (KIM®-HS), an admix ture suitable for new concrete construction. The Krystol® Concrete Waterproofing System will prolong a structure’s life, since Kr ystol® does not deteriorate – it is guaranteed to last the lifetime of the structure.

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The Kaiser Sunnyside Medical Centre is the largest full-service hospital in the Clackamas County.

A comparison of the border where traffic membranes were used (left) vs. KIM® added into the concrete mix (right).

Further comparisons of traffic membranes vs. KIM®. Areas where membranes were used appeared
blotchy due to delamination.

By utilizing Kryton to protect the exposed concrete decks on phase two of the garage, the team would not only have crystalline waterproofing technology to protect the structure, but they would also save a substantial amount of time and money.